Dietloff von Arnim
German jurist (1876-1945)
- Born: 1876-01-21 (Güterberg)
- Died: 1945-05-03 (Nordwestuckermark)
- Country of citizenship: Germany
- Occupation: jurist
- Member of political party: Christian-National Peasants' and Farmers' Party (period: 1929-01-01 through 1931-11-30); German National People's Party (until: 1928-01-01); Nazi Party (since: 1931-12-01)
- Member of: Agricultural League; Corps Pomerania Greifswald (since: 1897-01-01); Corps Saxonia Göttingen (since: 1897-01-01); Deutscher Landgemeindetag (role: board member)
- Participant in: Aktion T4
- Position held: Landeshauptmann (date: 1940-04-25); Landrat (of: Landkreis Jüterbog-Luckenwalde; period: 1914-01-01 through 1919-01-01); member of parliament (of: Province of Brandenburg, Provinziallandtag; since: 1933-03-12)
- Educated at: Klosterschule Ilfeld; Pädagogium Putbus; University of Greifswald; University of Göttingen; University of Marburg
- Residence: Villa von Arnim